2
1
Cylinder No.2 Fuel Injector
FE02-5058b
(a)
Disconnect the fuel injector wiring harness connector EO12.
(b)
Measure resistance between the two fuel injector terminals.
Standard Resistance: 11.6-12.4 Ω at 20°C(68 ºF)
(c)
Connect the fuel injector wiring harness connector EO12.
No
Replace fuel injector. Refer to
.
Yes
Step 3
Measure fuel injector working power supply.
FE02-5257b
2
1
Cylinder No.2 Fuel Injector Harness
Connector EO12
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect cylinder No.2 fuel injector wiring harness
connector EO12.
(c)
Turn the ignition switch to "ON" position.
(d)
Measure voltage between cylinder No.2 fuel injector wiring
harness connector EO12 terminal No.2 and a reliable ground.
Standard Voltage: 11-14 V
(e)
Connect cylinder No.2 fuel injector wiring harness connector
EO12.
Voltage normal?
No
Yes
Step 4
Check the fuel injector control circuit.
FE02-5258b
2
1
Cylinder No.2 Fuel Injector Harness
Connector EO12
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect cylinder No.2 fuel injector wiring harness
connector EO12.
(c)
Connect a light-emitting diodes test lamp to the fuel injector
wiring harness connector EO12 terminal No.1 and 2.
(d)
Start the engine.
(e)
Observe whether test lamp is flashing.
Is the test lamp flashing?
No
Yes
2-702
Control System JL4G15-D
Engine
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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